fix KM_TYPE_NR undeclared in sched.h on 32 bit x86

Patch peter_zijlstra-re-_3_0-rt4.patch causes 32 bit compilations to fail with:
sched.h:1592:17: error: ‘KM_TYPE_NR’ undeclared here (not in a function)

Including asm/kmap_types in sched.h resolves the issue.

---
 include/linux/sched.h |    1 +
 1 file changed, 1 insertion(+)

Index: linux-3.0-rt/include/linux/sched.h
===================================================================
@@ -63,6 +63,7 @@ struct sched_param {
 #include <linux/nodemask.h>
 #include <linux/mm_types.h>
 
+#include <asm/kmap_types.h>
 #include <asm/system.h>
 #include <asm/page.h>
 #include <asm/ptrace.h>

Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel
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Yep indeed, I wonder why my i386-defconfig build.. header deps magic or so.

I've updated the patch in question, thanks!
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